(19)

(11)

EP 2 499 351 A2

(12)

(88) Date of publication A3: 04.08.2011 (43) Date of publication: 19.09.2012 Bulletin 2012/38 (21) Application number: 10829053.7 (22) Date of filing: 04.11.2010

(51) International Patent Classification (IPC):  F02M 61/18(2006.01) F02M 61/16(2006.01) F02M 51/06(2006.01) F02M 63/00(2006.01) (86) International application number: PCT/US2010/055352 (87) International publication number: WO 2011/056909 (12.05.2011 Gazette 2011/19)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 09.11.2009 US 615073 (71) Applicant: Woodward, Inc. Fort Collins, CO 80525 (US)	(72) Inventor: HICKS, Paul, G. Holland, MI 49424 (US) (74) Representative: Cohausz & Florack  Bleichstraße 14 40211 Düsseldorf 40211 Düsseldorf (DE)